phytonutrient definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
phytonutrient - Medical Definition
A substance derived from plants, such as a pigment, that is beneficial to health, especially one that is neither a vitamin nor a mineral.